User's Manual

Page 120 FRH-SD07TU/TB Manual
7.1.1.4 Broadc a st tra nsmission
In the headerless packet transmission mode, the broadcast transmission to multiple
er, the sender
r
tput to the terminal equipment.
modems can be performed by setting the destination address to 255. Howev
side cannot confirm whether the transmitted data are successfully received by all receivers o
not, because there is no ACK packet returned from the receiver modem. In the broadcast
transmission, the sender side transmits a data packet number of times that retransmission
count plus one. When successfully the data packet is received, the receiver modem outputs
the data packet to the terminal equipment without responding by ACK packet. The
retransmission-packet-data after the successful receipt is considered as the same packet and
is not ou
There are important notes using transmit commands. Be sure to
read p.158 OPERATION IMPORTANT NOTICE
.
Rev. 050415-01.1